Is this circuit really appropriate for battery-powered use?  There are going to be huge I-V losses through the linear regulators when the ground is sourcing current.

It sounds great!  I've only tested it with Visang VS-R03, Vsonic GR06, MDR-V6, and Koss DJ100s.  I'm in the market for purchasing some nicer headphones that will really benefit from dedicated amplification.  I'd like to get it measured as well.  I have a lot of ideas for improving the next...

I'm doing this project as a personal learning experience and plan to open-source everything (with the requisite disclaimer: if you build this and destroy anything, its not my fault)   Most of my design experience is in the digital realm.  I'm trying to improve my analog layout and circuit...

The ARt DI/O is listed on their summer clearance catalog in PDF

really? so your talking about external drives right, not internal? What do they use to interface with the computer?

you mean those without power supplies and just the standard volume, and headphone out that fit in the 5 x 1.5 computer bay? I dont know, but it would be good project to attempt (like find the specific IDE pins that output audio or whatever and so on)

Jesus, the A810 series is not plastic... take the back cover off and drop in on a marble floor or something - it does not sound or feel like plastic. Its metal with a matte finish...

Wow, flame war nation.... Anyways I can definitely confirm the volume decrease for A818 on adjusted EQ settings. It is much noticeable on speakers than on headphones. The EQ off setting sounds louder than any other EQ setting at the unit's max output level.

Quote: Originally Posted by darkninja67 How is MediaMonkey in terms of getting the album art over to the A818? I ripped my CDs into WMP and they show art on the PC player. I just want MediaMonkey to do the same. As long as you can see the album art in the bottom left of the MM...

Quote: Originally Posted by davidr2287 I use MediaMonkey and dont have a problem at all. I choose which files to sync, and MediaMonkey always transfer the files with all the information. Way better than WMP in my opinion. ditto, MediaMonkey FTW

Quote: Originally Posted by nick20 In reality, how much of a difference are you going to get by spending $20? Come on.. A big difference. Both the JVC marshmallows and KSC-75s (i know OP didn't like these) are under $20 on amazon and will trounce stock earbuds.

Quote: Originally Posted by nick20 You're working out for heavens-sake. Just use the original iBuds, and save yourself some money. Who cares what it sounds like? Please. There is nothing wrong with wanting better sound quality regardless of what you're doing. I'm sure the...

Quote: Originally Posted by DKaz If you can spoare the extra $25 definitely go with the Denon's. The AH-C700 are fantastic. They are on a huge sale at Amazon for $99.99 shipped (usually $200): Denon AH-C700 Have you ever owned the C700s?

Quote: Originally Posted by sigsegv0x0B That would be enough for me but I find flac on a portable player is a waste of space Especially on an 8gb player!